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Автор - П1р2и3л4е5ж6н7ы8й9

ОЧЕНЬ СРОЧНО !!!!!!!!

Ответ

Автор - pakvavrora

1. u=s/t

10мин=0,17 ч

u=10/0,17=58,8км/ч

2. V=m/r=250/1=250см^3

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